Xeon E 2186M 's Advantages
Higher base frequency (2.9GHz vs 2.6GHz)
Lower TDP (45W vs 235W)
Intel Xeon Gold 6348 's Advantages
Released 3 years late
Higher specification of memory (3200 vs 2666)
Newer PCIe version (4 vs 3)
Larger L3 cache size (42MB vs 12MB)
More modern manufacturing process (10nm vs 14nm)